CN-122006071-A - Intelligent air bag pressing type catheter fixing device based on pressure real-time feedback

Abstract

The invention belongs to the technical field of surgical fixing instruments, and particularly relates to an intelligent air bag pressing type catheter fixing device based on pressure real-time feedback, which comprises a glue paste, an external controller, a pressure sensor, two groups of clamping seats, a driving mechanism, an air bag and an air supply mechanism, wherein the glue paste, the external controller and the pressure sensor are arranged at intervals and used for monitoring pressure signals in a catheter in real time, the two groups of clamping seats are used for limiting the catheter, a main extrusion wheel and an auxiliary extrusion wheel are arranged between the two clamping seats along a straight line, the driving mechanism is arranged outside each group of clamping seats, the air bag and the air supply mechanism are communicated with each other, the air bag is connected with the driving mechanism, when the air bag continuously expands, the driving mechanism pushes the main extrusion wheel and the auxiliary extrusion wheel until the catheter is locked, and when the air bag intermittently expands. The invention can realize real-time adjustment by taking the pressure signal in the catheter as an index on the premise of ensuring good fixation, and automatically press the catheter, thereby effectively avoiding the blockage of the near-far end of the drainage tube caused by blood clots, viscous impurities and other retentions.

Inventors

• KOU SIQI
• FAN YONGGANG

Assignees

• 河南科技大学第一附属医院

Dates

Publication Date

20260512

Application Date

20260204

Claims (10)

1. 1. Intelligent gasbag push type pipe fixing device based on pressure real-time feedback, including adhesive tape (1), external control ware (5) and the pressure sensor (6) that are used for the inside pressure signal of real-time supervision pipe that the interval set up, its characterized in that still includes: Two groups of clamping seats (2) are used for limiting the guide pipe, each group of clamping seats (2) is configured to be two, a main extrusion wheel (3) and an auxiliary extrusion wheel (4) are arranged between the two clamping seats (2) along a straight line, and a transmission mechanism is arranged outside each group of clamping seats (2); an air bag (25) and an air supply mechanism which are communicated with each other, wherein the air bag (25) is connected with the transmission mechanism; when the air bag (25) is continuously expanded, the transmission mechanism pushes the main extrusion wheel (3) and the auxiliary extrusion wheel (4) until the guide pipe is locked; when the balloon (25) is intermittently inflated, the transmission mechanism pushes the main extrusion wheel (3) to periodically extrude the catheter, so that peristaltic movement of the retentate in the catheter is realized.
2. 2. The catheter fixing device according to claim 1, wherein the top of the clamping seat (2) is provided with a containing groove (8), guide slopes (9) and a limiting groove (10), the two guide slopes (9) are respectively arranged at two ends of the containing groove (8), and the limiting groove (10) is arranged at the bottom of the containing groove (8); wherein, the projection area when the auxiliary squeezing wheel (4) is pushed is arranged on the accommodating groove (8), the limit groove (10) is in a cross polygon shape, and the angle and the movement direction of the auxiliary squeezing wheel (4) are mutually inclined; When the auxiliary extrusion wheel (4) presses the edge of the guide pipe, the limiting groove (10) and the auxiliary extrusion wheel (4) bite the edge of the guide pipe.
3. 3. The catheter fixing device according to claim 1, wherein the air supply mechanism comprises a shunt tube (26), an air storage tank (29) and a micro air pump (31) which are sequentially connected with the air bag (25), and the micro air pump (31) is electrically connected with the external controller (5); Wherein, one end of the shunt tube (26) close to the air storage tank (29) is provided with two air guide valve ports, one air guide valve port is used for communicating the air storage tank (29), and the other air guide valve port is used for exhausting the air bag (25); When the pressure sensor (6) monitors an abnormal pressure signal, the abnormal pressure signal is fed back to the external controller (5) to control the air outlet of the air storage tank (29) to be opened, and the air bag (25) is inflated.
4. 4. Catheter securement device according to claim 1, characterized in that the transmission mechanism comprises a cylinder (19), a piston head (20), a piston rod (21) and a rotating yoke (22) arranged in a straight line outside the grip block (2); the cylinder bottoms of the two cylinder barrels (19) are connected with each other, the air bag (25) is fixed inside the cylinder barrels (19) and is in contact with the piston head (20), and the rotary joint fork (22) is used for supporting the main extrusion wheel (3) and the auxiliary extrusion wheel (4).
5. 5. The catheter fixing device according to claim 4, wherein a rotating shaft (16) is arranged in the middle of the main extrusion wheel (3) and the adjacent auxiliary extrusion wheel (4) along the axial direction of the main extrusion wheel, support bearings (17) and limit rings (18) are arranged at two ends of the rotating shaft (16) at intervals, and the rotating shaft (16) penetrates through two ends of the rotating yoke (22) from two sides of the main extrusion wheel (3); When the main extrusion wheel (3) is pushed, the support bearing (17) and the limit ring (18) limit the rotating shaft (16) from two sides, so that the main extrusion wheel (3) is opposite to the guide pipe.
6. 6. Catheter securement device according to claim 1, characterized in that it further comprises a support tee (7), one interface of said support tee (7) being provided in the form of a closure for housing said pressure sensor (6), the remaining interfaces being for communicating with a catheter; when the catheter circulates liquid, the pressure sensor (6) monitors the pressure signal of the liquid in the catheter in real time and transmits the pressure signal to the external controller (5), and the closed interface of the support tee joint (7) is provided with physiological saline for connecting the liquid in the catheter.
7. 7. The catheter fixing device according to claim 2, wherein a flange plate (11) parallel to the accommodating groove (8) is fixed on the top of the clamping seat (2), and a slide hole (12) in an inclined shape is formed in the flange plate (11); When the main extrusion wheel (3) and the auxiliary extrusion wheel (4) are pushed, the flange plate (11) is used for bearing load, and the sliding hole (12) is used for limiting the movement direction of the main extrusion wheel (3) and the auxiliary extrusion wheel (4).
8. 8. The catheter fixing device according to claim 4, wherein two hinging seats (23) are connected between the bottoms of the two cylinders (19), and a bridge frame (24) is fixed on the outer sides of the two cylinders (19); wherein, both ends of the bridge frame (24) are bent and the bent parts are connected with the end parts of the adjacent clamping seats (2), and the bridge frame (24) is used for keeping the movement direction of the piston rod (21) to form a preset included angle with the adjacent clamping seats (2).
9. 9. The catheter fixing device according to claim 1, wherein the bottoms of the clamping seats (2) are respectively provided with a hinge shaft (13) and a supporting bar (14) at intervals, and each group of two clamping seats (2) are hinged through the hinge shafts (13); The support strips (14) are provided with ventilation holes (15) used for ventilation at the bottom of the clamping seat (2), and when the clamping seat (2) is installed, the interval between the support strips (14) is used for accommodating part of the adhesive tape (1).
10. 10. The catheter fixing device according to claim 3, wherein an auxiliary air pipe (30) is communicated between the output end of the miniature air pump (31) and the air inlet of the air storage tank (29), the air outlet of the air storage tank (29) is sequentially connected with a main air pipe (28) and an air delivery tee joint (27), and the air delivery tee joint (27) is communicated with the two shunt pipes (26) to realize synchronous air supply of the two air bags (25).

Description

Intelligent air bag pressing type catheter fixing device based on pressure real-time feedback Technical Field The invention belongs to the technical field of surgical fixing instruments, and particularly relates to an intelligent air bag pressing type catheter fixing device based on pressure real-time feedback. Background The main function of the abdominal cavity drainage tube is to drain effusion or hematocele in the abdominal cavity, which can effectively drain the effusion or the hematocele out of the body, prevent the effusion or the hematocele from accumulating in the abdominal cavity and actively prevent infection or other complications caused by the effusion or the hematocele retention of the human body. In the liver and gall surgery process, the internal pressure of the belly drainage tube changes, so that after the belly drainage tube is punctured in place, the needle head and the tube body are respectively reinforced by the adhesive tape, and the anti-falling effect during negative pressure drainage is realized. When the drainage tube is fixed, the needle part of the drainage tube is often stuck to the skin through the action of an inflated air bag, if the internal pressure of the drainage tube is unstable (such as pulse suction), the flexible tube part of the drainage tube can slightly reciprocate in vitro and gradually separate from the adhesive tape and the dressing, and the time delay exists in the artificial adjustment tube part, so that the timeliness of dynamic adjustment is insufficient. Disclosure of Invention The invention aims to provide an intelligent air bag pressing type catheter fixing device based on pressure real-time feedback, which can realize real-time adjustment on the premise of ensuring good fixing by taking pressure signals in a catheter as indexes, automatically press the catheter and effectively avoid blockage of the near-far end of a drainage tube caused by blood clots, viscous impurities and other detains. The technical scheme adopted by the invention is as follows: Intelligent gasbag push type pipe fixing device based on pressure real-time feedback, including the sticky note that the interval set up, external control ware and be used for the inside pressure signal's of real-time supervision pipe pressure sensor, still include: Two groups of clamping seats are used for limiting the guide pipe, each group of clamping seats is configured to be two, a main extrusion wheel and an auxiliary extrusion wheel are arranged between the two clamping seats along a straight line, and a transmission mechanism is arranged outside each group of clamping seats; The air bag is connected with the transmission mechanism; when the air bag continuously expands, the transmission mechanism pushes the main extrusion wheel and the auxiliary extrusion wheel until the guide pipe is locked; when the air bag is intermittently inflated, the transmission mechanism pushes the main extrusion wheel to periodically extrude the catheter, so that peristaltic movement of the retentate in the catheter is realized. As an alternative scheme, the top of the clamping seat is provided with a containing groove, a guiding slope and a limiting groove, the two guiding slopes are respectively arranged at two ends of the containing groove, and the limiting groove is arranged at the bottom of the containing groove; The projection area when the auxiliary extrusion wheel is pushed is arranged on the accommodating groove, the limiting groove is in a cross polygon shape, and the angle and the movement direction of the auxiliary extrusion wheel are mutually inclined; When the auxiliary extrusion wheel presses the edge of the guide pipe, the limiting groove and the auxiliary extrusion wheel bite the edge of the guide pipe. As an alternative scheme, the air supply mechanism comprises a shunt tube, an air storage tank and a miniature air pump which are sequentially connected with the air bag, and the miniature air pump is electrically connected with the external controller; two air guide valve ports are arranged at one end, close to the air storage tank, of the shunt tube, one air guide valve port is used for being communicated with the air storage tank, and the other air guide valve port is used for exhausting air of the air bag; When the pressure sensor monitors an abnormal pressure signal, the air outlet of the air storage tank is opened, and the air bag is inflated. As an alternative, the transmission mechanism comprises a cylinder barrel, a piston head, a piston rod and a rotary yoke which are arranged outside the clamping seat along a straight line; The cylinder bottoms of the two cylinder barrels are connected with each other, the air bag is fixed inside the cylinder barrel and is in contact with the piston head, and the rotary joint fork is used for supporting the main extrusion wheel and the auxiliary extrusion wheel. As an alternative scheme, a rotating shaft is arranged between the main extrusion wheel and the adjacen